#!/usr/bin/env escript

%% The MIT License

%% Copyright (c) 2010 Alisdair Sullivan <alisdairsullivan@yahoo.ca>

%% Permission is hereby granted, free of charge, to any person obtaining a copy
%% of this software and associated documentation files (the "Software"), to deal
%% in the Software without restriction, including without limitation the rights
%% to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
%% copies of the Software, and to permit persons to whom the Software is
%% furnished to do so, subject to the following conditions:

%% The above copyright notice and this permission notice shall be included in
%% all copies or substantial portions of the Software.

%% THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
%% IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
%% FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
%% AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
%% LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
%% OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
%% THE SOFTWARE.

main(Args) ->
    case Args of
        ["compile"|Opts] -> compile(Opts)
        ; ["examples"|Opts] -> examples(Opts)
        ; ["clean"|Opts] -> clean(Opts)
        ; ["install"|Opts] -> install(Opts)
        ; ["uninstall"|Opts] -> uninstall(Opts)
    end.
    
compile([]) ->
    Mods = ["src/jsx"],
    compile_files(Mods, [{outdir, "ebin"}]),
    compile_backend().
    
compile_files([], _) ->
    ok;    
compile_files([FileName|Rest], Opts) ->
    case compile:file(FileName, Opts) of
        {ok, _} -> ok
        ; {ok, Name, Bin} -> file:write_file("ebin/" ++ atom_to_list(Name) ++ ".beam", Bin), ok
    end,
    compile_files(Rest, Opts).
    
compile_backend() ->
    [ compile_files(["src/jsx_decoder"], [binary, {d, Backend}, {d, name, to_modname(Backend)}]) 
        || Backend <- [utf8, utf16, utf16le, utf32, utf32le]
    ].
    
to_modname(Atom) ->
    list_to_atom("jsx_" ++ atom_to_list(Atom)).
    
    
examples([]) ->
    Mods = ["examples/jsx_prettify", 
        "examples/jsx_parser", 
        "examples/jsx_stream_parser", 
        "examples/jsx_verify"
    ],
    compile_files(Mods, [{outdir, "ebin"}]).
    
clean([]) ->
    [ file:delete(Filename) || Filename <- filelib:wildcard("ebin/*.beam") ].
    
install([]) ->
    os:cmd("mkdir -p " ++ appdir()),
    os:cmd("cp -r " ++ "ebin " ++ appdir()).
    
uninstall([]) ->
    os:cmd("rm -rf " ++ appdir()).
    
appdir() ->
    {ok, [{application, jsx, AppInfo}]} = file:consult("ebin/jsx.app"),
    code:lib_dir() ++ "/jsx-" ++ proplists:get_value(vsn, AppInfo).